Why does the shape of the moon change regularly?

为什么月亮的形状会有规律地变化？

youdao

Of course we call that shape of moon a crescent moon and of course the words crescent and croissant are really two flavors of the same word;

当然，呈现出这个形状的月亮常常被我们称为一轮crescent moon。而单词crescent与croissant的确是同一个单词的两种表现形式；

youdao

Then they dissolve into nothing, only to form as if by stealth on a different horizon, dancing across the sky in the shape of a sea horse or crescent moon.

然后它们消散于无形，没料到在另一条地平线上好像又暗中形成，在天空中以海马或新月的形状舞动着。

youdao

Then they dissolve into nothing, only to form as if by stealth on a different horizon, dancing across the sky in the shape of a sea horse or crescent moon.

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